Standard Deviation Can Be More Useful Than Variance in Describing

question 1

Multiple Choice

Standard deviation can be more useful than variance in describing a quantitative trait because it

• A) is always positive.
• B) is a more accurate measure.
• C) is the square of the variance.
• D) has the same units of measure as the mean.
• E) has useful mathematical properties.

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Definitions:

Pulse Oximeter

A non-invasive device used to measure the oxygen saturation level of the blood, indicating how well oxygen is being sent to parts of the body.

Oxygenation

The process by which oxygen molecules are transferred from the air to the blood, crucial for cellular metabolism and overall health.

ACE Inhibitor

Short for Angiotensin-Converting Enzyme Inhibitor, a medication used to treat high blood pressure and heart failure.

Venous Return

The flow of blood back to the heart through the veins, crucial for maintaining cardiac output and blood circulation.